N level | Week | N mean removal (mg/L) | N removed at the end of 5th week (mg/L) | % removal at the end of 5th week | Total nitrogen (mg/g) in tissues |
5 (mg/L) | 1 | 8.13e | 1.61a | 68 | 16.90a |
15 (mg/L) | 2 | 1.29c | 2.41b | 84 | 17.90a |
25 (mg/L) | 3 | 0.27a | 3.32c | 87 | 20.63b |
| 4 | 0.71b |
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| 5 | 2.15d |
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